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Emergency Medicine

Ambar Marin Lopez, MD

Works at hospitals in Orlando, FL · Florida

Summary

Dr. Ambar Marin Lopez, MD is an emergency medicine doctor at 2450 N Orange Blossom Tr, Emergency Department, Kissimmee, FL 34744. Phone: (407) 846-4343. Accepts Medicare assignment. In 2024, Ambar Marin Lopez had 194 Original Medicare patients and 294 services. NPI 1861923880. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Emergency medicine doctor (Medicare lists Emergency Medicine)
  • Address: 2450 N Orange Blossom Tr, Emergency Department, Kissimmee, FL 34744 · Directions (1 more location)
  • Phone: (407) 846‑4343
  • Medicare: Accepts Medicare assignment
  • Hospital: AdventHealth Orlando
  • Group practice: Florida Emergency Physicians Kang and Associates MD LLC
  • Medical school: Ponce School Of Medicine · graduated 2016 (10 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Ambar Marin Lopez, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Ambar Marin Lopez accept Medicare assignment?
Yes. Medicare's clinician data says Ambar Marin Lopez accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does Ambar Marin Lopez see?
In 2024, CMS data shows 194 Original Medicare patients and 294 services for Ambar Marin Lopez. This counts Original Medicare only and measures volume, not quality.
What is Ambar Marin Lopez's NPI number?
1861923880. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Ambar Marin Lopez, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients194
Services billed to Medicare294
Different services or procedures9
Participating Medicare providerYes
Average age of these patients74

Most frequent services

  1. Emergency department visit with high level of medical decision making (99285)127 services
  2. Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (93010)79 services
  3. Emergency department visit with moderate level of medical decision making (99284)36 services
  4. Critical care, first 30-74 minutes (99291)33 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • High blood pressure75%
  • High cholesterol75%
  • Arthritis61%
  • Diabetes58%
  • Chronic kidney disease53%
  • Ischemic heart disease49%

Hospitals where Ambar Marin Lopez works

Medicare's Facility Affiliation Data lists Ambar Marin Lopez at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

  • AdventHealth OrlandoOrlando, FL · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 100007

Practice locations

Addresses where Ambar Marin Lopez is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Ambar Marin Lopez as a member of this group (CMS data updated October 2, 2026).

  • Florida Emergency Physicians Kang and Associates MD LLC337 clinicians in the group

Specialties

Find other Emergency Medicine doctors in Florida →

Other emergency medicine doctors in Kissimmee

Clinicians with the same Medicare primary specialty in Kissimmee, FL — not a recommendation.

All emergency medicine doctors in Kissimmee →

Other clinicians in Florida Emergency Physicians Kang and Associates MD LLC

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialMD
Medical schoolPonce School Of Medicine
Graduation year2016 (10 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1861923880
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians